*{
	margin: 0 auto;
	padding: 0;
}
a{
	text-decoration: none;
}
#kuandu{
	width: 20%;
	height: 470px;
	border-radius:15px;
	margin-top: 3.125rem;
	box-shadow:  2px 1px 5px 5px gainsboro;
}
.biaodan1{
	width: 100%;
	height: 100px;
	line-height: 100px;
	color: white;
	background: #4b4f55;
	border-radius:5px 5px 0 0 ;
}
.biaodan1 h1{
	margin-left: 30px;
	font-weight: 400;
}
.biaodan2{
	width: 100%;
	height: :70px;
	line-height: 60px;
	color: #b7b6b9;
	background: #6e757f;
	border: 1px solid gainsboro;
}
.biaodan3{
	width: 100%;
	height: :70px;
	line-height: 60px;
	color: #b7b6b9;
	background: #f0f0f0;
	border: 1px solid gainsboro;
}
.biaodan{
	width: 100%;
	height: :70px;
	line-height: 60px;
	color: #b7b6b9;
	background: :;;
	border: 1px solid gainsboro;
}
.sz{
	border: 1px solid gainsboro;
	display: inline-block;
	height: 20px;
	width: 40px;
	float: right;
	margin-right: 10px;
	margin-top: 15px; 	
	line-height: 20px;
	border-radius:5px 5px;
}
.sz1{
	border: 1px solid gainsboro;
	display: inline-block;
	height: 20px;
	width: 40px;
	float: right;
	margin-right: 10px;
	margin-top: 15px; 	
	line-height: 20px;
	border-radius:5px 5px;
	background-color: red;
}
.jiao{
background-color:#FFF;

width:10px;

height:10px;



/* 旋转小方块并调整位置形成尖角 */

position:relative;

left:153px;

top:-30px;

transform:rotate(45deg);

border-right:0px;

border-bottom:0px;

background: #6e757f;
}